Dealer
Contacts
For the least amount of hassle with the purchase of a vehicle, we recommend that you speak only with the above-listed credit union Dealer Representative(s).
Seller’s Comments
Come see why driving a GMC isn't just transportation—it's an upgrade to everything you expect on the road.
- 3.0L I-6 Diesel Turbocharged (Duramax) with 277 hp and 460 lb-ft of torque
- 10-Speed Automatic 4WD
- 20" Polished Aluminum Wheels
- Premium GMC Infotainment System with Navigation
- Bose Premium Audio System with SiriusXM 360L
- Wireless Charging
- Heated Front Seats and Heated Second Row Outboard Seats
- Ventilated Front Seats
- Remote Vehicle Starter Syst
m
- Universal Home Remote
- Apple CarPlay/Android Auto Integration
- ProGrade Trailering System with Integrated Trailer Brake Controller
- Trailer Tire Pressure Monitor System
- 4-Wheel Disc Brakes with Electronic Stability Control
- LED Cargo Area Lighting
This 2021 GMC Sierra 1500 SLT delivers the capability and comfort you need for both daily driving and serious work. The diesel engine provides strong torque for towing and hauling, while the 4WD system gives you confidence in varying road conditions. City driving nets 22 MPG, and highway efficiency reaches 26 MPG, making this an economical choice for a truck of this class. The brown exterior presents a sophisticated appearance that stands out from typical truck colors.
Inside, the cabin reflects the SLT's refinement with bucket seats featuring both heating and ventilation for year-round comfort. The interior is thoughtfully designed with multiple power outlets, including a 120-volt bed-mounted option for job site flexibility. Climate control includes automatic temperature management with separate zones and a heated steering wheel for winter mornings. The advanced infotainment system puts navigation and entertainment at your fingertips, while wireless charging keeps your devices ready.
The Preferred Equipment Group includes premium features that enhance both convenience and capability. Trailering technology is comprehensive, featuring the integrated brake controller, hitch guidance with camera view, and tire pressure monitoring for your trailer. The power sliding rear window allows for easy bed access without fully opening the tailgate.
This truck is GMC Certified, giving you the assurance that it has undergone a rigorous 120-point safety inspection and meets manufacturer standards for quality and reliability. The clean Carfax, local trade-in status, and professional detailing ensure you're getting a well-documented, thoroughly prepared vehicle ready for immediate ownership.
The Sierra 1500 SLT balances work capability with everyday refinement. Whether you're managing a full day of tasks or enjoying weekend adventures, this truck responds to your needs. The ProGrade trailering system transforms towing into a controlled, manageable experience rather than a challenge.
At the end of the day, the right vehicle doesn't just get you where you're going—it changes how you feel getting there. That's exactly what GMC delivers. Smooth, stylish, and packed with features you'll appreciate every single drive.
Don't just take our word for it—come experience it for yourself. Stop by today, take a seat behind the wheel, and see why so many drivers are making the switch to GMC. Your next upgrade is waiting.
Summary
-
Miles
121,482 -
Ext. Color
Brown -
Int. Color
Jet Black -
Engine
3.0L I6 -
Transmission
Automatic -
Trim
SLT -
Drivetrain
4WD -
City MPG
0 -
Highway MPG
0 -
VIN
3GTU9DET3MG260458 -
Stock #
MG260458T
Features
Options
- Preferred Equipment Group 4SA
- SLT Convenience Package
- SLT Preferred Package
- Trailering Package
- 6 Speakers
- 6-Speaker Audio System Feature
- AM/FM radio: SiriusXM with 360L
- Premium audio system: GMC Infotainment System
- Premium Bose 7-Speaker Sound System
- Radio data system
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- Radio: Premium GMC Infotainment Sys w/Navigation
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Memory seat
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Power steering
- Power windows
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Heavy Duty Suspension
- Manual Tilt-Wheel & Telescoping Steering Column
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Keyless Open & Start
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Door Locks
- Brake assist
- Electronic Stability Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Engine Block Heater
- Auto-dimming door mirrors
- Bumpers: chrome
- Chrome Grille
- Front License Plate Kit
- Heated door mirrors
- LED Cargo Area Lighting
- Power door mirrors
- ProGrade Trailering System
- Rear step bumper
- Rear Wheelhouse Liners
- 2 USB Ports
- 2 USB Ports (1st Row)
- 4G LTE Wi-Fi Hotspot Capable
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Color-Keyed Carpeting Floor Covering
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Front reading lights
- GMC Connected Access Capable
- Heated steering wheel
- Illuminated entry
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Dual USB Charging-Only Ports
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- Wireless Charging
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front 40/20/40 Split-Bench Seat
- Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Perf Leather-Appointed Front Outboard Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Cargo Tie-Downs (4) (LPO)
- Front Center Armrest w/Storage
- Passenger door bin
- Front Frame-Mounted Black Recovery Hooks
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- Trailer Tire Pressure Monitor System
- 20" x 9" Polished Aluminum Wheels
- Alloy wheels
- Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
- Deep-Tinted Glass
- Power Sliding Rear Window w/Rear Defogger
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- SUPER LOW MILES!
- LOCAL TRADE IN!
- 120 Point Safety Inspection
- PROFESSIONALLY DETAILED FOR DELIVERY!
- NAVIGATION
- BLUETOOTH / HANDSFREE
- 20" WHEELS
- CLEAN CARFAX!
- NON SMOKER VEHICLE
Location
Big Star Buick GMC
4411 East FwyBaytown, TX 77521
